{"version":"1.0","type":"photo","width":1023,"height":481,"title":"airmail flight cover: China National Aviation Corporation (CNAC), China - United States route","url":"https:\/\/static.sfomuseum.org\/media\/152\/782\/059\/1\/1527820591_OfdUqCDxK4LwYSk97qDlE54Eb6aWrBYW_b.jpg","author_name":"SFO Museum","author_url":"https:\/\/collection.sfomuseum.org\/objects\/1511923643\/","provider_name":"SFO Museum","provider_url":"https:\/\/collection.sfomuseum.org\/"}